Knowledge base for software setup, errors, and daily tool work.

Fix Windows Search Not Working in File Explorer

You open File Explorer, type a filename or keyword into the search box, and nothing happens — or ...

How to Fix 'Connection Refused' Error in CMD

When you see 'connection refused' in CMD, it means the remote server is actively rejecting your c...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

How to Fix OneDrive Sync File Locked Error

You're trying to sync a file in OneDrive, but you get an error saying the file is locked. This us...

How to Use the OneDrive Sync Dependency Conflict Repair Tool

If OneDrive stops syncing with errors like "Action needed" or "Sync pending", a dependency confli...

Fix Chrome Not Working on Mac After Update

After a macOS or Chrome update, the browser may refuse to open, crash on launch, or freeze. This ...